vividly bright and shining; glowing
expressing love, affection, confidence, or happiness, health, etc
a radiant smile
radiating rays or reflecting beams of light
emitted or transmitted by radiation
radiant energy
of or emitting radiant heat or radiant energy
radiance noun
radiancy noun
radiantly adv
[Middle English from Latin radiant-, radians, present part. of radiare: see radiate1]